397229272403 has 8 divisors (see below), whose sum is σ = 400984147200. Its totient is φ = 393491985480.

The previous prime is 397229272387. The next prime is 397229272417. The reversal of 397229272403 is 304272922793.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 397229272403 - 2⁴ = 397229272387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397229272463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4351583 + ... + 4441928.

It is an arithmetic number, because the mean of its divisors is an integer number (50123018400).

Almost surely, 2^397229272403 is an apocalyptic number.

397229272403 is a deficient number, since it is larger than the sum of its proper divisors (3754874797).

397229272403 is a wasteful number, since it uses less digits than its factorization.

397229272403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8793937.

The product of its (nonzero) digits is 2286144, while the sum is 50.

The spelling of 397229272403 in words is "three hundred ninety-seven billion, two hundred twenty-nine million, two hundred seventy-two thousand, four hundred three".